1971. Second Edition. 152 pages. Dust jacket over red cloth. Black and white illustrations throughout. Pages are bright and clear with no visible markings. Binding throughout remains firm. Boards have light shelf-wear with corner bumping. Mild crushing to spine ends. Book has forward lean. Boards are mildly warped. Unclipped jacket has light edgewear with tears and creasing. Mild sunning to spine and edges. Mild rubbing and marking all over.